Arrow Greentech Ltd Granted European Patent for Dual-Color Shift Security Film

Arrow Greentech Ltd, a pioneer in manufacturing eco-friendly and anti-counterfeit products, has been granted a patent titled 'Dual-Color Shift Security Film' (Patent No. 4182173) in Europe. The patent, granted on 30th April 2025, covers a type of security film used in security features for important documents, which changes color when viewed from different angles. This dual-color effect adds an extra layer of security against counterfeiting. The patent also covers ways to manufacture this improved security film. The Dual-Color Shift Security Film can be mainly used to prevent counterfeiting of valuable documents such as banknotes, share certificates, bond documents, certificates, checks, passports, other identification documents, stamp papers, etc.